Circular saw



FIG. 1 is a right side and rear perspective view of a circular saw showing our new design;

FIG. 2 is a top, left side and front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental degign of a circular saw, as shown. 